Continuous dryer with permanent magnets
CA 2254764 A1 · Owner: Elias, Gregory E. · Inventors: Elias, Gregory E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Dryer, in particular for continuous sheet materials comprising at least a , surface which gives heat to the material (9) to be dried formed by a metal , plate or drum (7) heated by eddy currents induced by a rotating cylinder (1) arranged in proximity to such plate and outwardly covered with a plurality of permanent magnets (5). Thanks to this induction heating system the dryer , according to the present invention no longer needs conventional heating units usually electrical resistance units or steaming units which are complicated , and hard to control.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed May 28, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 28, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 28, 2019.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.